EP0995781B1 - Beschichtungszusammensetzung - Google Patents

Beschichtungszusammensetzung Download PDF

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Publication number
EP0995781B1
EP0995781B1 EP99917073A EP99917073A EP0995781B1 EP 0995781 B1 EP0995781 B1 EP 0995781B1 EP 99917073 A EP99917073 A EP 99917073A EP 99917073 A EP99917073 A EP 99917073A EP 0995781 B1 EP0995781 B1 EP 0995781B1
Authority
EP
European Patent Office
Prior art keywords
resin
soluble
water
coating material
beads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99917073A
Other languages
English (en)
French (fr)
Other versions
EP0995781A4 (de
EP0995781A1 (de
Inventor
Takaharu Yasue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Publication of EP0995781A1 publication Critical patent/EP0995781A1/de
Publication of EP0995781A4 publication Critical patent/EP0995781A4/de
Application granted granted Critical
Publication of EP0995781B1 publication Critical patent/EP0995781B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D201/00Coating compositions based on unspecified macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20Diluents or solvents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/18Spheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00Compositions of proteins; Compositions of derivatives thereof

Definitions

  • the present invention relates to a coating material to be coated on a resin sheet etc. for preventing blocking or the like caused when the resin sheet etc. are superposed.
  • resin sheets (or films) having flat surface generally have no surface lubricity and are likely to cause blocking (a phenomenon where solid surfaces are stuck together to form continuity of mutual materials), which results in following problems.
  • the blocking when the blocking is caused to a raw fabric (wound sheet in roll shape) of a sheet, the sheet cannot be unrolled from the raw fabric. Further, when the sheet is cut while being superposed, the blocking is caused between the sheets by being pressed during cutting process, so that the sheets are bonded with each other and are unable to peel off.
  • starch powder etc. is conventionally sprayed onto the sheet surface or an appropriate coating material is coated thereon.
  • a coating material having good adhesive properties is inferior in heat sealability.
  • a coating material having good heat sealability is inferior in adhesive properties to the sheet.
  • inorganic filler is generally added to the conventional coating material for avoiding blocking and deterioration of surface lubricity, which results in inferior transparency thereof.
  • Silicone is sometimes blended to the coating material for imparting surface lubricity.
  • a sheet coated by a coating material blended with silicone is inferior in printability thereof.
  • polyolefin type sheet is inferior in adhesive properties with the coating material, thereby impairing applicability.
  • Japanese Patent Publication No. Sho 59-47991 Japanese Patent Publication No. Sho 59-47991
  • film coating compounds composed of acrylic copolymer and slipping agent Japanese Patent Laid-Open Publication No. Hei 2-3433
  • a heat sealable covering film coated with a coating fluid made of emulsion composed of particular wax and inorganic lubricant added to polyvinyl chloride vinylidene emulsion Japanese Patent Publication No. Hei 3-63586
  • a sheet applied with the above-described coating material is bonded as necessary in assembling as a wrapping box etc.
  • the primer coating before bonding increases steps in fabrication, which result in higher production cost.
  • US-A-2970365 describes coating the surface of fleece fibres with an adhesive binder to form a thin surface of bonded fibres, which is then dried and subjected to needling.
  • a wide range of adhesive binders are contemplated, with one of the exemplified binders consisting of 100 parts by weight of an acrylic resin emulsion (46% total solids) and 20 parts by weight of an ammonia casein solution (20% total solids).
  • US-A-3250638 describes fibrous products, such' as highly specular glazed papers, having adhered thereto a metallic film.
  • the examples describe coating compositions coated on to a base paper to form a glazed paper, and which comprise amongst other ingredients a waxy emulsion and casein.
  • US-A-5238736 describes polymeric microspheres which can optionally be mixed with resin and then coated on to a substrate.
  • the polymeric microspheres are composed of short-chain diol diacrylate homopolymers or copolymers of diol diacrylates and long-chain acrylate esters.
  • a primary object of the present invention is to provide a coating material capable of enhancing anti-blocking property and surface lubricity without deteriorating adhesive properties with the sheet, heat sealability, transparency and printability thereof.
  • Another object of the present invention is to provide a coating material capable of enhancing adhesivity of the sheet itself as well as being capable of improving the above anti-blocking properties.
  • a coating material according to first aspect of the present invention includes at least one substance selected from the group consisting of water-soluble resin, resin emulsion and solvent resin (A) and resin beads (B); and a water-soluble amine additive (D) selected from an aminosilane and a polyoxyethyleneallylaminoether, wherein: the resin beads (B) are composed of polyethylene, acyrl, nylon, polyester or polypropylene; the content of the resin beads (B) is 0.01 to 20.0wt%; and the average particle size of the resin beads (B) is not more than 20 ⁇ m.
  • (A) is a low-molecular-weight resin for enhancing adhesion with a base member.
  • water-soluble resin is water-soluble acryl resin, water-soluble polyurethane resin, water-soluble polyester and the like.
  • resin emulsion is acryl emulsion, polyurethane emulsion, polyester emulsion and the like.
  • the solvent resin is a solution of urethane resin, acryl resin polyvinyl chloride resin etc. into a solvent composed of at least one substance selected from dimetylformamide (DMF), methyl ethyl ketone (MEK), toluene, cyclohexane, butyl acetate etc.
  • DMF dimetylformamide
  • MEK methyl ethyl ketone
  • Content of the (A) component is preferably 0.1 to 50.0wt%. When the content is less than 0.1wt%, stable coating is difficult. When the content exceeds 50.0wt%, fabrication can be deteriorated.
  • the resin beads (B) are contained for improving heat sealability.
  • Average particle size of the beads is more preferably, not more than 10 ⁇ m. When the average particle size exceeds 20 ⁇ m, roughness is felt to deteriorate touch, which may also cause dropout of beads.
  • a coating material according to second aspect of the present invention includes at least one substance selected from a group consisting of water-soluble resin, resin emulsion and solvent resin (A) and at least one substance selected from the group consisting of soluble protein and resin emulsion incompatible with the (A) component (C) and a water-soluble amine additive (D) selected from an aminosilane and a polyoxyethyleneallylaminoether.
  • the component (C) is contained for improving surface lubricity and anti-blocking properties of the base member.
  • soluble protein is whey (serum lactis), egg white, silk (fibroin), collagen, casein, gelatin, sericin, serum protein etc.
  • egg white is an albumen of egg of chicken, quail, duck, goose and the like.
  • the "soluble” means water-soluble and solvent-soluble.
  • resin emulsion incompatible with above (A) is ethylene-acryl copolymer, ethylene-vinyl acetate copolymer etc.
  • Content of the (C) component is preferably from 0.01wt% to 10wt%. Sufficient improving effect of the surface lubricity and the anti-blocking properties cannot be obtained below 0.01wt%. And transparency is lowered over 10.0wt%.
  • the water-soluble amine additive (D) is added for improving adhesion with the base member and improving antiblocking properties.
  • adhesion of the sheet is improved by the coating.
  • water-soluble amine additive examples include aminosilanes, such as N-.(aminoetyl).-aminopropylmetyldimethoxysilane, N-(aminoetyl)-aminopropylmetyltrimethoxysilane, .-aminopropylmetyltrimethoxysilane, aminopropylmetyltriethoxysilane, and polyoxyethyleneallylaminoethers such as polyoxyethylenelaurylaminoether and polyoxyethylenestearylaminoether.
  • aminosilanes such as N-.(aminoetyl).-aminopropylmetyldimethoxysilane, N-(aminoetyl)-aminopropylmetyltrimethoxysilane, .-aminopropylmetyltrimethoxysilane, aminopropylmetyltriethoxysilane, and polyoxyethyleneallylamino
  • the content of the water-soluble amine additive is 0.01 to 20% (solid content ratio) relative to the above-described components (A to C).
  • Any coating method can be used for the coating material added with the water-soluble amine additive, which may be general methods such as gravure, offset, and comma coater.
  • the sheet processed with the coating material added with the water-soluble amine additive may be bonded by general adhesive (cyanoacrylate adhesive).
  • a coating material according to third aspect of the present invention includes at least one substance selected from a group consisting of water-soluble resin, resin emulsion and solvent resin (A); resin beads (B); at least one substance selected from the group consisting of soluble protein and resin emulsion incompatible with the (A) component (C); and a water-soluble amine additive (D) selected from an aminosilane and a polyoxyethyleneallylaminoether, wherein the resin beads (B) are composed of polyethylene, acryl, nylon, polyester or polypropylene, the content of resin beads is 0.01 to 20.0 weight % and their average size is no more than 20 ⁇ m.
  • coating material superior in adhesion with the sheets etc, heat sealability, surface lubricity of the base member and anti-blocking properties can be obtained.
  • the coating material of the present invention can be coated on any specific base member, which is, for example, transparent soft resin (such as polyvinyl chloride and olefin resin) sheet, enamel coated fabric.
  • transparent soft resin such as polyvinyl chloride and olefin resin
  • the coating material of the present invention may be coated in any manner and general process such as use of gravure, offset, and comma coater etc may be used.
  • Coating material of the Experiment 1 included 1.0wt% of water-soluble acryl resin (solid content 30%) as the water-soluble resin (A), 0.25wt% of polyethylene beads as the resin beads (B), and 98.75wt% of water.
  • the coating material of Experiment 2 included 0.5% of N- ⁇ (aminoetyl) ⁇ -aminopropylmethyltrimethoxysilane as a water-soluble amine additive in addition to the coating material of Experiment 1 (including 1.0wt% of water-soluble acryl resin (solid content 30%) as a water-soluble resin (A), 0.25wt% of acryl beads as resin beads (B) and 98.75wt% of water).
  • the coating material was coated onto a polypropylene sheet using a gravure coater (150 mesh) and dried at 100°C for 10 seconds.
  • the coating material according to the present invention is suitable for coating for improving anti-blocking properties when a resin sheet having flat surface is cut while being wound to a roller or being superposed.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (3)

  1. Beschichtungszusammensetzung, welche umfasst: zumindest eine Substanz, welche ausgewählt ist aus der Gruppe, die wasserlösliches Harz, Harzemulsion und Lösungsmittelharz (A) umfasst, Harzkügelchen (B), und einen wasserlöslichen Aminzusatz (D), der ausgewählt ist aus einem Aminosilan und einem Polyoxiethylenallylaminoether, wobei:
    die Harzkügelchen (B) zusammengesetzt sind aus Polyethylen, Acryl, Nylon, Polyester oder Polypropylen;
    der Gehalt der Harzkügelchen (B) zwischen 0,01 bis 20,0 Gew.-% liegt; und
    die durchschnittliche Teilchengröße der Harzkügelchen (B) nicht mehr als 20 µm beträgt.
  2. Beschichtungszusammensetzung, welche umfasst: zumindest eine Substanz, die ausgewählt ist aus einer Gruppe, die wasserlösliches Harz, Harzemulsion und Lösungsmittelharz umfasst (A); zumindest eine Substanz (C), die ausgewählt ist aus der Gruppe, die ein lösliches Eiweiß und Harzemulsion umfasst, die inkompatibel ist mit der Komponente (A); und einem wasserlöslichen Aminzusatz (D), der ausgewählt ist aus einem Aminosilan und einem Polyoxiethylenallylaminoether.
  3. Beschichtungszusammensetzung, welche umfasst: zumindest eine Substanz, die ausgewählt ist aus einer Gruppe, die wasserlösliches Harz, Harzemulsion und Lösungsmittelharz umfasst (A); Harzkügelchen (B); zumindest eine Substanz (C), die ausgewählt ist aus der Gruppe, die ein lösliches Eiweiß umfasst und eine Harzemulsion, die inkompatibel ist mit der (A)-Komponente; und einem wasserlöslichen Aminzusatz (D), der ausgewählt ist aus einem Aminosilan und einem Polyoxiethylenallylaminoether, wobei:
    die Harzkügelchen (B) zusammengesetzt sind aus Polyethylen, Acryl, Nylon, Polyester oder Polypropylen;
    der Gehalt der Harzkügelchen (B) zwischen 0,01 bis 20,0 Gew.-% liegt; und
    die durchschnittliche Teilchengröße der Harzkügelchen (B) nicht mehr als 20 µm beträgt.
EP99917073A 1998-04-23 1999-04-21 Beschichtungszusammensetzung Expired - Lifetime EP0995781B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11355698 1998-04-23
JP11355698 1998-04-23
PCT/JP1999/002112 WO1999054419A1 (fr) 1998-04-23 1999-04-21 Materiau de revetement

Publications (3)

Publication Number Publication Date
EP0995781A1 EP0995781A1 (de) 2000-04-26
EP0995781A4 EP0995781A4 (de) 2001-07-25
EP0995781B1 true EP0995781B1 (de) 2004-08-18

Family

ID=14615293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99917073A Expired - Lifetime EP0995781B1 (de) 1998-04-23 1999-04-21 Beschichtungszusammensetzung

Country Status (5)

Country Link
US (1) US6545082B2 (de)
EP (1) EP0995781B1 (de)
KR (1) KR100605785B1 (de)
DE (1) DE69919480T2 (de)
WO (1) WO1999054419A1 (de)

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Publication number Publication date
DE69919480D1 (de) 2004-09-23
WO1999054419A1 (fr) 1999-10-28
US20020010233A1 (en) 2002-01-24
EP0995781A4 (de) 2001-07-25
US6545082B2 (en) 2003-04-08
DE69919480T2 (de) 2005-08-18
EP0995781A1 (de) 2000-04-26
KR20010020477A (ko) 2001-03-15
KR100605785B1 (ko) 2006-07-31

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